Fairfax is located close to the center of Oklahoma. Fairfax is part of Osage County. Fairfax has 0.76 square miles of land area and 0.00 square miles of water area. As of 2010-2014, the total Fairfax population is 1,639, which has grown 5.40% since 2000. The population growth rate is much lower than the state average rate of 10.67% and is much lower than the national average rate of 11.61%. Fairfax median household income is $33,913 in 2010-2014 and has grown by 56.63% since 2000. The income growth rate is higher than the state average rate of 38.43% and is much higher than the national average rate of 27.36%. Fairfax median house value is $36,600 in 2010-2014 and has grown by 34.07% since 2000. The house value growth rate is much lower than the state average rate of 62.66% and is lower than the national average rate of 46.91%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers Fairfax is better than the state average in quality. The Fairfax area code is 918.